I found this great site about Nissan O2 and its location to fix with diagrams! The URL listed below is for a 2000... Try the dropdowns for the 1999.
http://maxima.theowensfamily.com/tsb/index.asp?year=2000&tsb=none
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Thanks... Jim
O2 sensors are always located on the exhaust system.O2 sensors are always located on the exhaust system.
There is a total of 3 O2 sensors 2 Upstream and 1 Downstram
The O2 sensors are located between the exhaust manifolds and the cat converter. They screw in to the head pipes. Those are also called upstream O2 sensors and in some vehicles they are also called air/fuel sensors. There are also downstream O2 sensors that are located after the catalytic converter.
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There are 2 sensors. One in front of the catalytic converter and one behind it.
All O2 sensors are threaded into the exhaust system at various points. Upstream O2 sensors are located before the catalytic converter(s) and downstream O2 sensors are located after the catalytic converter(s).
replace the o2 sensors should do it.
o2 sensors are located on the muffler located in the back there are 2 o2 sensors each costing about $70 each at your local auto zone hope this helps ELIA
The O2 sensors are screwed into the exhaust system. Follow the exhaust backward from the engine and you will find the sensors.
AnswerThere are three O2 Sensors on my 1999 Cougar. Two are located just before the Y-Pipe and are both wired to the drivers side of the Y-Pipe. The other is located just after the Catalyic Converter.Easy to change.
how many o2 sensors on a ford e350 van 2003
O2 sensors are always located on the exhaust system.O2 sensors are always located on the exhaust system.